Acid Orange Dyes

About Acid Orange Dyes

Acid Orange Dyes

Acid Orange dyes are water-soluble anionic dyes (mainly azo type) that produce bright orange to reddish-orange shades. They are applied in an acidic dye bath (pH 26) and are widely used in textiles, leather, food (selected types), cosmetics, and industrial applications.

Appearance & Forms

• Fine orange to reddish-orange powder or granules
• Easily soluble in water
• Supplied as powder, liquid, or paste

Applications

1. Textile Applications

• Wool, silk, and nylon dyeing
• Carpets and upholstery
• Blended fabrics

2. Leather Applications

• Leather dyeing & finishing
• Shoes, belts, bags

Used for tan, orange, and fashion leather shades

3. Food & Cosmetic Uses (Selected Grades)

• Approved food-grade examples:
• Sunset Yellow FCF (E110)
• Ponceau 4R (for reddish-orange blends)

Used in beverages, candies, bakery, cosmetics

4. Industrial Applications

• Printing inks
• Paper coloring
• Detergents and coatings

5. Laboratory Uses

• Biological staining
• Chemical indicators
• Analytical chemistry
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Key Characteristics

• Water-soluble (anionic)
• Applied in acidic medium
• Bright orange to reddish shades
• Good affinity for wool, silk, nylon, leather
• Moderate to good fastness
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Acid Orange Dyes Name: